1/2"NPT x 150# flange, PVC or CPVC
get a pair of full face gaskets too (easier than cutting flat rubber ones
take a knife and remove the lip at the end of the threads (on the flange face side)
you will also need 1/2"NPT copper tube adaptors x the copper tubing size of your choice with grounding straps (the flowtube must be grounded to the fluid both ends)
- I use 1/2" CTS (5/8" OD) as I run 5/8" hose generally on the bench; which is where I have pressure taps as well
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